"Operation not permitted" on SMB share

I just updated my airport extreme to the latest firmware and cant seem to access the share anymore. I get an operation not permitted.

I was running Darmah RC2 but then re-formatted the apple tv from scratch and put on the 10.0 release and am still getting the same problem. xbmc.log is below if anyone can see anything with it, that would be awesome!

I had the same issue after updating the AE firmware. rather than downgrade the firmware, I simply added the shared drive using "add network location". This is the IP address of the AE and then enter the name of the shared folder, username and password. hope this helps others.

I didn't try by ip address and I have mine setup so that guests have read access so I didn't try a password. I did however downgrade the firmware and that resolved it for me. Thanks for the suggestions though!